[INFO] cloning repository https://github.com/kovipu/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kovipu/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkovipu%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkovipu%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b3f4d151fb80621af63e7204bea32307946c6b1
[INFO] checking kovipu/advent-of-code-2021 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkovipu%2Fadvent-of-code-2021" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kovipu/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/kovipu/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/kovipu/advent-of-code-2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kovipu/advent-of-code-2021 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kovipu/advent-of-code-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70c5ced56cf538a538e0b2488d4ea1d5980ce60b0f3683e4f20632127b61963b
[INFO] running `Command { std: "docker" "start" "-a" "70c5ced56cf538a538e0b2488d4ea1d5980ce60b0f3683e4f20632127b61963b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70c5ced56cf538a538e0b2488d4ea1d5980ce60b0f3683e4f20632127b61963b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c5ced56cf538a538e0b2488d4ea1d5980ce60b0f3683e4f20632127b61963b", kill_on_drop: false }`
[INFO] [stdout] 70c5ced56cf538a538e0b2488d4ea1d5980ce60b0f3683e4f20632127b61963b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 924fb71ced7729276a6ca00c9925f1e27a1f4437f16ddb2218b458ffd118a27b
[INFO] running `Command { std: "docker" "start" "-a" "924fb71ced7729276a6ca00c9925f1e27a1f4437f16ddb2218b458ffd118a27b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day18.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part_1(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part_1(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part_2(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SnailfishNumber` is never used
[INFO] [stdout]   --> src/day18.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum SnailfishNumber {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnailfishNumberReduceResult` is never constructed
[INFO] [stdout]   --> src/day18.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SnailfishNumberReduceResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `explode`, and `split` are never used
[INFO] [stdout]    --> src/day18.rs:35:8
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl SnailfishNumber {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout]  35 |     fn new(input: &str) -> (SnailfishNumber, &str) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  53 |     fn add(&self, other: &SnailfishNumber) -> SnailfishNumber {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  91 |     fn explode(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     fn split(&self) -> SnailfishNumber {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day18.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part_1(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part_1(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part_2(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "924fb71ced7729276a6ca00c9925f1e27a1f4437f16ddb2218b458ffd118a27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924fb71ced7729276a6ca00c9925f1e27a1f4437f16ddb2218b458ffd118a27b", kill_on_drop: false }`
[INFO] [stdout] 924fb71ced7729276a6ca00c9925f1e27a1f4437f16ddb2218b458ffd118a27b